Los Azules resource estimates on this page were derived from the news release titled “McEwen Mining's Los Azules Copper Project Continues to Grow!” released on May 15, 2013 by McEwen Mining. To access the news release click here.

El Gallo resource estimates on this page was derived from the technical report titled "Resource Estimate for the El Gallo Complex, Sinaloa State, Mexico" dated August 30, 2013 with an effective date of June 30, 2013, prepared by John Read, C.P.G., and Luke Willis, P. Geo. Both Mr. Read and Mr. Willis are not considered independent of the Company as defined in Section 1.5 of NI 43-101. To access the report click here.

Tonkin resource estimates on this page were derived from a report titled "Technical Report on the Tonkin Project" with an effective date of May 16, 2008 prepared by Alan C. Noble, P.E., Ore Reserves Engineering, Richard Gowans, Micon International and Steven Brown, US Gold Corporation. Mr. Noble and Mr. Gowans are independent of US Gold Corporation and a Qualified Person as defined by NI 43-101. To access the report click here.

Limo resource estimates on this page were derived from a report titled "NI 43-101 Technical Report for the Limousine Butte Project, White Pine County, Nevada" with an effective date of July 1, 2009 prepared by John Welsh, P. Eng., Kim Drossulis, Senior Engineer, Jonathan Brown, M.B.A., C.P.G., Doug Willis, Geologist, Christine Ballard, Project Geotechnical Engineer, Eric Haddox, P. Eng. Each of the report authors is independent of US Gold Corporation and a Qualified Person as defined by NI 43-101.

All resource and reserve estimates reported by McEwen Mining Inc. are calculated in accordance with 43-101 and the Canadian Institute of Mining and Metallurgy Classification system. These standards differ significantly from the requirements of the U.S. Securities and Exchange Commission. Mineral resources which are not mineral reserves do not have demonstrated economic viability.